The Cubing Function

Question 1

Which of the following is a radical equation?

Revolt · Accepted Answer

7 StartRoot x EndRoot = 14

Question 2

What is the solution of ?

Revolt · Accepted Answer

x = 2 or x = 3

Question 3

What is the solution of ?

Revolt · Accepted Answer

x = –1

Question 4

What is the solution of ?

Revolt · Accepted Answer

x = –72

Question 5

What is the solution of ?

Revolt · Accepted Answer

x = twelve-fifths

Question 6

Which equation is equivalent to ?

Revolt · Accepted Answer

x2 + 81 = x2 + 20x + 100

Question 7

Which equation can be rewritten as x + 4 = x2? Assume

Revolt · Accepted Answer

StartRoot x + 4 EndRoot = x

Question 8

Which of the following is an extraneous solution of ?

Revolt · Accepted Answer

x = –8

Question 9

Which of the following is an extraneous solution of ?

Revolt · Accepted Answer

x = –6

Question 10

Which of the following is an extraneous solution of ?

Revolt · Accepted Answer

x = 3

The Cubing Function Answers